.dropdown {
  color: black;
  font-size: 1em;
  text-decoration: none;
  width: 20%; /* Four equal-width links. If you have two links, use 50%, and 33.33% for three links, etc.. */
  text-align: center;
  display: inline-block; 
 }
  .tooltip {
   position: relative;
   display: inline-block;
   border-bottom: 1px solid black;
   cursor: pointer;
 }
 .tooltiptext {
  visibility: hidden;
  width: 130px;
  background-color: black;
  color: #ffffff;
  text-align: center;
  padding: 5px 0;
  border-radius: 6px;
  position: absolute;
  z-index: 1;
 }
 .tooltip:hover .tooltiptext {
   visibility: visible;
 }
 
 .dropdown-content {
   display: none;
   color: black;
   text-align: center;
   position: absolute;
   background-color: rgba(50,50,50,.5);
   width:20%;
   overflow: hidden;
   box-shadow: 0 8px 16px 0 rgba(0,0,0,0.4);
   z-index: 1;
   border:solid black 1px;
 }
  .dropdown-content a {
    color: black;
    text-align:left;
    text-decoration: none;
    padding-left: 35%;
    padding-right: 45%;
    display: inline-block;
  }
  .dropbtn {
    background-color: rgba(230,238,255,0.75);
    font-family: "Times New Roman";
    font-size: 1.1em;
    color: black;
    padding-bottom: 14px;
    padding-top: 18px;
    width: 100%;
    text-align: center;
    border: none;
    cursor: pointer;
  }
  .dropbtn:hover {
      background-color: rgba(102,150,255,0.75);
      color: black;
  }
  .show {display:block;}
 .topnav {
  width:100%;
  background-color: rgba(230,238,255,0.75);
  overflow:auto;
  font-size: 1.25em;
}

/* Style the links inside the navigation bar */
.topnav a {
  float: left;
  color: black;
  padding-bottom: 18px;
  padding-top: 18px;
  background-color: rgba(230,238,255,0.75);
  text-decoration: none;
  width: 20%; /* Four equal-width links. If you have two links, use 50%, and 33.33% for three links, etc.. */
  text-align: center;
}

/* Change the color of links on hover */
.topnav a:hover {
  background-color: rgba(102,150,255,0.75);
  color: black;
}

/* Add a color to the active/current link */  
.topnav a.active {
  background-color: rgba(26, 98, 255,0.75);
  color: black;
}
    body {
  background-image: url(/images/Steppe1.png);
  background-repeat: no-repeat;
  background-size: cover;
  color: black;
  font-family: "Times New Roman";
  font-size: 1.25em;
}
#navbar {
    position: relative;
    text-align: center;
    border: 2px solid black;
    }
aside {
  width: 27.5%;
  font-size:smaller;
      }
main{      
  margin-left: 0;
  width: 60%;
  font-size:smaller;
      }
#flex {
  display:flex;
  margin-top:30px;
  }
container {
  width=70%
  }
.box1 {
  text-align: left;
  border: solid black 2px;
  padding-top: 20px;
  padding-left: 20px;
  padding-right: 20px;
  padding-bottom: 10px;
  background-color:rgba(230,238,255,0.75);
}
.box0 {
  text-align: left;
  border: solid black 2px;
  padding-top: 20px;
  padding-left: 20px;
  padding-right: 20px;
  padding-bottom: 10px;
  margin-top: -2px;
  background-color:rgba(230,238,255,0.75);
}
.expo {
  text-indent:0px;
  color:black;
  background-color:rgba(190,198,215,0.65);
  border: solid grey 1px;
  margin:10px;
}
p {
  text-indent:10px;
  text-size: 1.25em;
}
a {
color:black;
}
h1 {
  text-size: 2.5em;
  margin-bottom:-5px;
}
h2 {
  text-size; 2.0em;
  margin-bottom: -5px;
}
h3 {
  text-size;1.75em;
  margin-bottom:-5px;
}
h4 {
  text-size;1.5em;
  margin-bottom:-5px;
}
pre {
  background-color:rgba(190,198,215,0.65);
  border: solid black 1px;
  margin:10px;
  font-size: 1.0em;
  font-family: "Times New Roman";
  display:flex;
  justify-content:space-between;
  }